Professor T is persuaded by a former student now a police detective, to help her investigate a serial rapist. When he discovers his mother is trying to sell his long-abandoned family home, T makes a momentous decision.
When a blameless librarian is poisoned at a reception at the museum, Professor T is called upon to help narrow down the list of possible suspects, but not everyone on the police team is happy with Professor T's involvement in the investigation.
Professor T becomes embroiled in a hostage situation, but his unconventional negotiating tactics do not go down well with the police. Old flame Christina reveals all is not well with her marriage.
Professor T befriends a vulnerable girl and is convinced she is the key witness to a murder. Dan and Lisa agree to go on a date but when her boss confronts her about their inappropriate relationship, Lisa makes a bold decision.
When an attempt is made on a billionaire businessman's life, Professor T suspects the culprit may be much closer to home than the police suspect. It's Professor T's birthday and with it comes a haunting childhood memory.